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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Write the name of the product when ketones react with 1,2-diol in presence of dry HCl.

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प्रश्न

Write the name of the product when ketones react with 1,2-diol in presence of dry HCl.

एका वाक्यात उत्तर
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उत्तर

The product obtained when ketones react with 1,2-diol in presence of dry HCl is known as cyclic ketal.

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पाठ 12: Aldehydes, Ketones and Carboxylic acids - Very Short Answer Questions

संबंधित प्रश्‍न

Write a note on Stephen reaction.


Addition of sodium bisulphite to ethanol is ____________ type of reaction.


Write reactions for the action of the following reagents on p-chlorobenzaldehyde.

Tollen’s reagent


Benzaldehyde gives all tests positive EXCEPT ____________.


Identify B in the following reaction,

\[\ce{Acetaldoxime ->[Na][alcohol] A ->[NaNO2][HCl] B + H2O + N2\uparrow}\]


Which of following is not a property of red phosphorus?


Which of the following compounds does NOT undergo aldol condensation?


Following reaction is an example of ____________.

\[\ce{Benzaldehyde ->[Nitration] {m}-Nitrobenzaldehyde}\]


Which of the following reagents is used for the following conversion?

\[\ce{CH3 - CH = CH - CHO -> CH3 - CH = CH - CH2OH}\]


Identify the product Y in the following series of reactions.

\[\ce{4-Nitrotoluene ->[(CH3CO)2O/CrO3][273 - 278 K] X ->[H3O^+][\Delta] Y}\]


Identify X and Y.

\[\ce{CH3COCH2CH2COOC2H5 ->[CH3MgBr] X ->[H3O^+] Y}\]


How will you convert benzaldehyde into the following compound?

Benzophenone


How is the following conversion effected Hex-3-yne into hexan-3-one?


How will you prepare ethyl acetate from methyl acetate?


How will you prepare cinnamic acid from benzaldehyde?


How acetone is converted into propane.


Primary nitroalkanes are obtained in good yield by oxidising aldoximes with the help of ______.


What is the number of different products formed when mixture of ethanal and propanal reacts with aq. NaOH after warming?


Identify the reaction in which carbonyl group of aldehydes and ketones is reduced to methylene group on treatment with zinc-amalgam and cone. HCI.


Write a note on Clemmensen reduction.


Write the structure of the products obtained from the following ketones by action of hydrazine in presence of strong base KOH.


Write reactions when phenol reacts with Dilute HNO3


How will you prepare Acetic anhydride from acetic acid.


How will you prepare Acetic anhydride from acetic acid.


Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.


How will you prepare acetic anhydride from acetic acid?


Nitration of the compound is carried out; this compound gives a red-orange ppt. with 2,4-DNP, this compound undergoes the Cannizzaro reaction but not aldol, then possible product due to nitration is:


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